Line switch



July l0, 1923.

J. N. REYNOLDS LINE SWITCH onginal Filed Oct. 26, 1916 3 Sheets-Sheet l J. N. REYNOLDS LINE swITcH oramai 'Filed oet. 26, 191e :s sheets-sheet J rlllllllllll Il;

v, that Jenn N.

whereh the distortions` the e Reima! Juiy io, 1923.

,n man ma :nml 1,1921, semi n. ms-n sldng et "Greenwich, in the county vented eertsinnew and useful Im rovements Vin Line Switches, of which the allowing 1s full, clear, concise, `und exact description. invention telephone .switchmore particulerly to the mechsnieal `construction and kmisembly of e cros'shar Switchsucheseis: shown and in Reime Betent 14,236, to J. N, BeHnlds, datedDeeember 26, 1916.

. ebbiects of thls invention `enetojmprove the operetion-snd-s'un ffy constructlqn and dote of lmounting f of` ports, 4whereh ie' simple, mum'numher. o

'd [structure wi they meyfbe moved into engage'ment vwith menti ,According to this: feaallg mounted upenn trunnioins, in Suche' mennBlthet-'upon energizationwof their respective ao ltoting magnets, seid `line bars are .move bodily upon the are of a small `eircle into' engagement ywith the contnctsoffpreselected'trunk here z 4fottutoof a this invention f relates `to the `nexliltrnction of the line bars, wherebyfe light-@end .structure of few and. simple parts is easily; uced. i p

relate to lxothltjfeamm of t invention theqmeuntingeand bly of vthe parts 'whereby either; line Aor trunk fbars' can be easilyeremoved without interference, the of'the ring yofthe trunk herswhereby n p tensoned `emitecsts 'one \provided,rthe mounting; Yoity trunky 'ben o rating magnets `elfect resulting tllmng'of the trunk-bars is rei `duced-to eyminimum; andother details of.`

mnsh'uotioni und;Y combination of parts whereby e simple Tend efficient structureis drawings, Figure is s horizontal y cross-sectional view ofe structure embodyitems, a, citzen'of the United b, re.-`

of Fein, n l field' and State of Connecticut, have in-v showing ,the

the 111ml-,

`parte all" easily accessible for replacements and repairs is-provided.

. ofthe tentures-oi this invention 're-.

ltte'the method ofoperstion of the line mumofspeed-with a minimum distance of remain m'enga,

y alined .and uniformly provided;r outer end with-ia. bent-pover,

y Re. 15,644V

n.' monos, or onnmrwrcn, comc'rreur, 'nssmnon 'ro mmc si ma me 10,1919, sum n. 191,944, nea mensaje, me; v*einnimmt m ing the eaturesmf this invention; Fig...2

broken awey'of-,e structure embed ing the features of :this linvention Fig. 3 gx end elevation with in section `03E the structure of Fig. f2; X ,igtv 4 islal` perspective ofa ,por-'tion lof one' ofthe line bars Vshowing its construction; Fig, 5 isefpers iveview with parts in section showing. tion of u trunk bar. and, method of mount` the contacts,4 thereon; and Fig. 6 is-afdete sectional view ,withV parte broken awa bats. v i y In general the -lswitch fto which this invention Arelates is yone vin which bers earryingtrunk terminalsare pivotally mounted in emanner to be engulmilllys displaced, in order to `bring the `termin thereon into u.l position to ybe-engltged by, te17znine1s of a llne bar-which is-imounted et right angles to the trunkbar, endv adopted to be moved into position whereits terminals will engagen the terminals of the trunk ber 'and ement, therewith during the timethat thev meisin Theengegement between one setfof line terminals and a set of trunk/terminals causes the release; of ln. trunk bar, whereupon al1 other terminals on salidtrunk,bar except .the vvset in use are returned to -e position wherethey cannot be engegedfby subsequently operated line bars. 1 v

Each 1of the trunk bars comprises a tubular member 5 .to oneV side of` which isi firmriylvll secured a; terminal `suplporting plete 6. e terminslsupporting p outwardly from the tubular member 5, and is provided' at its outer;` margin `with a turned-over portion7., .Secured to the plete` ydadjeoent to the ,tubular member 5 are strips of insulation .8, 8" alternated with v strips 9, l0 andjfll of oonductngmateriel.

el construe#` method op'mountingl .the trun ate 6 extends 55 is -e view-.in vfront elevation with vpurts .l

o ws an Extending from-.each'cf 4the strips 'of in i suletion 8, 8: arena. plurality of arms 12,12

which 4project slightly `beyond. the turnedover portion 7 o the terminal supporting plate 6. Extending from eec`fi of the `strips 9 10 and llof conducting material are s 15,v 15 respect1ve1yeach ofl seid arms being plurality of spring arms 13, 13, 414,14*,.envd

'fas

. 40 mbe'rfn'rf en "armsofpro i Miti 1 mio!! with which armsm w .1 letter.

are ger than 1,

tion 7 of 4said plate engages the rojectmg msffllf twimienmip of nsulang material 8. The pressure exettedsuponle ends of these arms 1212, 13, 13, 14, 14 and n lflifby Ythe tuned-over portion'fwhen Itri i9, laifd 9,1101 and-1L are tightly l 'olimpo againstfthe fietst, Mgives a umy fbii f s f todi* o "the springer-ms 13,- 1B, 14,-114 and 1554641141 maintains them tm' f H" "Line here 20, 2Q which are adapted te ao- :grater'wthfthn letonihd'-5fumand eaoh Yaoxnprises generaly'i. riotside'fsnp 'origin members 21,

n yhich umk cette, the` current conclu -v 2B, Bfand 24, the frange nrhe M21 anld the conducting-strips 22,i

2a and B4 swirled together at their ends and betweentheir ends by rivets 25, 25.

' 24 are separatdfromhaohlther and from the frame `21by` means of insulating washers g on each of the oonduotl'n W', '23 and 2i are' proiec'tmg .eem :members 97315.29'. The smpsoe, v 2,3 and 94 1= somonhtedthat'theprojeetingconta bers ,57, 87 forming one' set" of inalp slightly staggered withy remehr-eh' ,that-ie, the Preis@ rernber Uf o oontactstrip 22 willbe slight-A "-'1 iaveoi ofthq'eorrespendlng the stip 28-and the proj eeting 'con et reinber 8? on the/strip 281is slglitl'L "a vallee o! the projecting ,contaht fniehge Sfo the 'same `set on the stri Afll offthepartsq this -line blar 20 ly secured together yby, rivets, thereby form `iri'g :y li" t fdandeoondomleal structure. `Each o "thhtlular'members 5 'has secured )"talits asesinan" yr-proieeting ermsewend' each arrrnhavin'g'al 'rozoecting pivot pin 3Q. thveugnv .p and'A bottom,

1 extend inwardly between 'the meinbelsl) and40, secured of ail pronged members serving f as Iiniitl'nglte swinging movement of :ofthe inne' w and 34',

stopsfo wat serefws andBtL liarsqmayv removed the hoehe without dsturbingfany of 'ewpirezsima ovenspone, zeeland a magnet supporting plate ':two sets @imagine @milk hars am made in g armatures '57 and Guide and s rs 33 and 34 are piv- Y e prejectingw thel ftalne members V other apparatus thereon. The frle r a bers or tn mgfadl'lgr :1 rgmalinembers 41, 42, 43 and 44. ,Seeueetethe .1L effen@ mmherefoed there ewes-Hering 1S a @hanne ed platel 5,'to which is remov there being one such'fra'me for each two of Athe trurkfbars.' u Each olih'eielplassamak ts, one set comprising magnets 47 and 48, the other set comprising magnetsflQ and 50. Themagnets a-nd4$eonl stitute thesetting magnets oradaeent'trunk bars, while the magnets 18 amO anethe corresponding releasmmagnets. Wind'-v ings of-the conespondng magnets are mount-V ed upon common cores, an'dthe magnets/axe securedfin place means-of -sorewslm whiehv extondf through thefplate^46,-i1to 95 engagement"'withthe portions of theooies between the two windings ther-eemf f Sleeulnd` y to opposite -armsiv land 53 oi the-"plato 46am brackets 54'f'and1f55, in which are mounted armaturs :mdr` 575, ad tedfto j `be attractdb 'the magnete 47 an 49m6- speotivoly; Thefarmaturef 56, when'jattracted, isf-adapted yto engage 'r an arm' projecting from 'atrunkf'bar to'dispilaeo said trunk bar angularly. 5A latoh# inermi 95 berO, su'ppolfted-ufenthefchannelplatetll;V y is ada ted to' retain saidtrunk bar in'itsrdie- ""i plaoetf-position until v'released by means of an armature l'oontrolled' similmy,

Thy the magnet 48.

setting and release of@ trunk bar'62 by their".

maintain# 65 and 66 forthe arm 58 are moun the ehannel` plate'i', ayu'idsel'vetoA the adjust l bar`w1th respect-to vthe openating -andte lease m is possibf e to remove-'and replaeeftmnk bm' in the manner heretofore describedwithout necessitating a reaejustmenwf the fepemar 11 ing or releasefmagnets-.j Also th magnets 47, '48,' 50 m o bythe simple removal of t1ie-plate'46 from s the plate 45, amiv widmet, interferes@ f with the trunk baradjustmentof 11' "A spring 68 seves to 'returhtlie displeecl trunk bar to' Iior'nal position"` 'whenfrq# f leased by thew'ithdrawal oithelatclij by lthe energ'izaton of the 2release -magnt 'l' e group oi Itl'willl be" understood of ooursefthat there 120 will bea group of ma and oorrespondingp trunk 1bars of the switch." method of mounti lease magnets at not `only l feeilltntes r the l removaland ffmplacement ofparts, sinoe thewpneasur'w L for :operating the rtrunksfbar's'is appli'odltt a point distant from both ends, the ditdri tionaleeet ofthe turning-of -th'ot gilets` 47, 48,'4ejane 5o artsrv for each y pair of Providing-this ngthe operating andrethe magnets 49 and/50 eontrolthel 10 tmais ment 01 the am'randik trunll 105 nets, With'sueha construction Tit the center oflthe structurel miek bars no yMil-011;

warmem@ l @uit yrtodvlimigghgmwerd movement o of* th magnegm islmmgmhaqriewgambeafwe zming Jgmpplmgii iher end ofthe.'

fig-fi 71h a' turned' i overfporton Edv/with openings. 73,"`

blogo-.20, 29- are; moveblm- At;one-endeaehvofthb Ima bars, 20

om Fogg. Hmmm@ mxheaenenf.

- mailinebwrwnwmenend www@ 701 umd Po, ,the homo member 43 is a 1 tey, uponwhich is remov-4 bly-fmo broek@ mombe This bmomombor'upporte @Wo moet wuds raggi-,heim of the: egrep c 8S, @afee mw and kgfx-line manetiopeoh of bars mounteds closely together as po. good-operation yalaeljnatse ones er thatfthe line bm'sfmapybe ssibl'e for OPBI" ated fromo poste endsas nlicated in tholinebars .20, Leach 1s provided -wthan extwfaet of 4terminals thereon. The harmnalmpi .the set'95 are formed in thesame manner as the other terminals. of the bm'y but are locatedv near one and of the `bsm and arefadapted to make contact w ofgsttionary termin same mannet.- tls-the bara. There 4is a set mals foxeach bar afnd `they line oonduol tors are eopnectedwth the `ssepmase springs thereof;` thereby avodng t embodyl asin the devoe ofthe zatlon ai .itsy .indp'dualI .setti will beflnoked in such displace porrll UPOII' ithe' enrg msneththo @orreSPoIAdl moved `gon, the anp Ioi e i darm he .useof lexi ble movable conduotors. for mcludingthe line, bers,intheqircuiii.-v` f The operationf the switching I nehum'm the iatures of 4this inventioms substantie 1y the same as thatv of theswitch! shown and. dearibed in :thel 2365; with thmexemioxi..

thm.- i l b l.r .a16;ib by l indivi n comspondin witht berm into .engagement 96. lUpongthno an-o eratedjlipe dspaed t nk causedjto opgerte, to'vre and Permit it to rot. with tofonongog to be enlged by the ontwts O f $1111 line bells,l 'Ibo line baur, however, will :einem noporofelhposion and ggigemenl;4 of the contaetsofhe l ber, the release magnet is.v lease-the ,trunk bem um; tohpogrmal position;

d contacts onbof Position en agement displaced trunk bar ment withy 8 S037'l 41 an `15 of saidtruk als 95 will-be brought v`v ith stationery terminals of the contact of with `the nontocts of a.

tlm'zk bnr's will the contee@ arms oi 1butto flex slightlyoun of their noxjmal posinolend the, pressure wllinswregood energized normal dillhus,"

ith a set` d in the u' `setsy for 'i0 contact members i y `bars of oneset'.,` and cooperating contacts-on each bar of one set adapted to engage a co- *l upon operation lcooperating 13. In asufitching` l frame, movable trunk bars lmounted said frame, contacte onsaid 4oblolink members, said line bars ,wed members, lmeans for moving a trunk bar Into o, position to haveits contacts engaged by :xm-

1 on vsaid f having armatures a "said fives, seid switch 'membebeing f- "vided at each .of its end portions' wi a transverse aperture whereby it may bepivl otally mounted. l

- 11.1111 i switching mechant@ i plurality V y. of Asets of intersecting moyable contact car ing bars, means for moving the hars of e y bringingv contacts of intersecting bars into enga y individual` to the movable operating.;l set lof stationary contact members of said bars., saidsets of lwntacts mantaini;l theirj engement while the bars of sal last men- -tloned set are in operated position.

12. Ina svtohmg mechanism'for telephone systems,` a set of movable trunk bars, l contacts thereon, a set of movable line bars, Y contacts on lsaid line bars adapted `to be engagement with contacts on said trunk brought vbars in response to the :movements of both of said bars,` a set of stationdiy @mit members individual ai sich of said-line bars and-,cooperatingl contacts on f y each' of said line bars brought into engage,

ment with said vement oisaidfline bars, vthe contacts on said lme bars maintaining* their engage- ,menty with saidstationary'contacts `'while line bars are in operated position. y

mechanism, a supportmovable line bars mounted on said o contactson said line barsarranged to eri-'- gage the contacte ori/said trunk bars, .rotatbemg aupat each end on said rotatable line bars, and electromagnets to engagev and operate said link members to displace said i bara vertically and ylongitudinally in a ,f "continuous circular movement.

.. 14. ni i winning dem;

.movable trunk bars mounted on said frame, contacts on said bars, movable line bars -mounted on said frame, contacts on said line t,a set of stationary contacts upon bars,

bars arranged to the contacts on said" trunk here, *peretms magnets for each trunk har arranged mg supported at each end on said rotatable links, and operating magnets for said line bars arranged to operate said links to move aline bar tol engage cratin magnets of said trunk bars being arrange l Ato move `said bars into position 'to cooperate with the line bars, rotatable supporting said line bars beits 'contacts with the contacts ofa positioned trunk bar, the opo to act upon the trunk bars at e.r

point substantially midway theA ends thereof.l

15. In a switching a'switch bar, contacts on said switch bar,A a line'bar, oony tacts on said line bar, saidv switchbercontacto and line .bar contacts normally disenmeans for annularilyxv displacing said v l e 'lo switch bar contacts 'from ir normal position, andmeans for moving said line bars o bodily on the arc of a circle to eect engagement between said line bar contacts and said 4switch barrycontacts when the latterv are dis'- placed. a i o i 16. In .a switching mechanismrotatable trunk bars, `contacts on said trunk bars, line bars, .contacts on said line bars, link members on which said y line vbars arciv mounted and whereby said linebars are adapted to move bodily on the arc of a circle, means for rotating said trunk bars to "position the contactsthereon linto the path of. line bar contacts, and-means for moving said line bars bodily on the arc ofa circle to. elect engagementbetween-contacts there- 0n und bar 17. In a switching mechanism,l rotatable y trunk bars. contacts on said trunk bars, line bars, contacts on said. line bars for'cooperatins with rotating saidtrunk bars for positioning the contacts thereon into 'geable` relation line bar contacts an' means for moving said line bars, bodily, in lthe direction of their vlengiihand toward said trunkbarv l contacts in a continuous movementfupon the lfare of 'a circle to e'ect en agement between said trunk bar contacts an line bar contacts. In witness whereof, I hereunto subscribe my name this r1st daf June. A. D. 1921. f JO N. REYNOLDS.

sadtrunk bar contacts, means for 

